Collapsible keyboard with an angle-adjustable holder



FIG. 1 is the perspective view of collapsible keyboard with anangle-adjustable holder, showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

CLAIM The ornamental design for collapsible keyboard with anangle-adjustable holder, as shown and described.